Big Fucking Lates. Also can be seen as BMFL for full effect of BIG MOTHER FUCKING LATES. Can be used as a joke to say good bye to someone you are good friends with or to someone you hate an trying to be a dick to them.
Gamer: I'm going to quit this stupid team bye.

Teamates: Big Fucking Lates.
by ProtossXG May 16, 2006
Get the Big Fucking Lates mug.